A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. It is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. Excludes packing, preformed; ring, piston; and seal ring, metal.
Classification: Parts of linear acting hydraulic power engines and motors
NSN 5915-01-454-0459
NSN 5855-01-423-9921
NSN 6150-00-483-3918
NSN 6620-01-535-0070
NSN 5999-00-957-4959
NSN 5945-01-420-6914
NSN 5960-00-583-4902
NSN 5930-00-324-3994
NSN 5930-01-487-3803
NSN 6145-01-434-5848
NSN 4140-00-482-9221
NSN 4140-01-634-0330